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Related Experiment Video

Updated: Jun 20, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Two-dimensional surface emitting photonic crystal laser with hybrid triangular-graphite structure.

Luis Javier Martínez1, Benito Alén, Ivan Prieto

  • 1Instituto de Microelectrónica de Madrid (CNM, CSIC), Isaac Newton 8, E-28760, Tres Cantos Madrid, Spain. luisja@imm.cnm.csic.es

Optics Express
|August 19, 2009
PubMed
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We demonstrated a compact, optically pumped micro laser operating at 1.5 micrometers at room temperature. This surface-emitting laser utilizes a novel photonic crystal lattice for efficient vertical emission and high quality factors.

Area of Science:

  • Photonics
  • Semiconductor Lasers
  • Materials Science

Background:

  • Development of compact lasers for telecommunications and sensing is crucial.
  • Photonic crystals offer unique light manipulation properties for laser design.

Purpose of the Study:

  • To present laser emission from a novel compact surface-emitting micro laser.
  • To investigate the performance of a 2D photonic crystal lattice in a hybrid triangular-graphite configuration for vertical emission.

Main Methods:

  • Fabrication of InP slab structures with InAsP quantum wells on a Si substrate via SiO(2) wafer bonding.
  • Optical pumping of the micro laser structure at room temperature.
  • Characterization of laser emission, threshold power, and quality factors (Qs).

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Last Updated: Jun 20, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Published on: February 25, 2017

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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Main Results:

  • Achieved laser emission at 1.5 micrometers with optical pumping at room temperature.
  • Measured low thresholds around 70 microW and quality factors (Qs) up to 12000.
  • Observed a high Q (>or= 2 x 10(5)) Bloch mode around the Gamma point for a wide range of in-plane wavevectors.

Conclusions:

  • The hybrid triangular-graphite photonic crystal lattice enables efficient vertical emission in compact micro lasers.
  • The demonstrated device shows promising performance for integrated photonic applications.
  • Peculiar properties of the hybrid lattice contribute to the observed high Q-factor Bloch modes.